Based on the research of bionics theory, combined with the characteristics of automobile gear meshing transmission, and based on the model test, the bionic micro wear-resistant shape on the surface of the ring block sample is optimized, and the concave bionic wear-resistant gear is designed and processed; At the...
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Verification of meshing stiffness model of hypoid gear
The spur gear is selected as the object to verify the model. This is mainly because the current spur gear meshing stiffness calculation method has widely used empirical formulas, which can compare the calculation results, and the gear meshing stiffness calculation method is also applicable to spur gears. Therefore,...

Establishment of conjugate contact line for parallel shaft pure rolling internal meshing line gear
Establish the space right-handed coordinate system, as shown in the figure. The installation center distance of linear gear pair is e, so and SP are fixture coordinate system. S1 and S2 are respectively the coordinate systems which are fixedly connected with the pinion and the ring gear. At the...

Derivation and application of gear meshing stiffness model under pitting characteristics
The shape of pitting pits on tooth surface is simulated quickly and approximately by using rectangular geometry. The mathematical models and analytical equations of single pitting, multi pitting and randomly distributed pitting are derived in detail, so as to realize the prediction and evaluation of time-varying meshing stiffness of...

Research and application of time varying meshing stiffness of gear under macro / micro interface characteristics
Considering the macro interface friction coefficient, the load component equation along the tooth profile direction is derived, and the mathematical model of time-varying meshing stiffness of spur gear pair with friction effect is established, and the simulation analysis of the example is carried out. The results show that reducing...

Derivation and application of refined gear time varying meshing stiffness model
“Innovation, coordination, green, open and sharing” are the five core supporting development concepts to promote the green transformation of traditional manufacturing industry, promote the establishment of green low-carbon circular development industry system, and encourage the renovation of enterprise technology and equipment, so as to improve product quality and maximize...

Response characteristics of gear meshing force under fatigue pitting
According to the advanced slicing function of gear modeling along the tooth width direction, the gear is sliced during gear modeling, as shown in Figure 1. The tooth width parameter of the simulation gear is selected as 36mm, and N = 36 is set during the modeling. The gear...

Response characteristics of time varying meshing stiffness of gears
According to the motion relationship of gearbox transmission system and the advanced parameter modeling method of gear, bearing and other key components introduced above, the rigid body dynamics simulation analysis model of gearbox transmission system with tooth surface pitting characteristics is established. The Runge Kutta numerical method with adaptive...

Simulation and discussion of time-varying meshing stiffness of finite element gear pair
The quasi-static calculation method is adopted in the finite element simulation calculation, that is, the stiffness under the load at any meshing point is assumed to be independent, which is consistent with the time-varying meshing stiffness calculated by the above analytical method. Fig. 1 draws the time-varying meshing stiffness...

Calculation and analysis of comprehensive time-varying meshing stiffness
According to the two models of contact stiffness calculation, the following are calculated and discussed respectively. Firstly, according to the calculation of time-varying meshing stiffness of gear pair considering the contact stiffness of Yang SIM model, the calculation results of time-varying meshing stiffness of three pairs of gear pair...
